Cost to the taxpayer for a $13.25 million Borrowing.

http://www.greatervernonrecreation.ca/arenareferendum/
What will the cost be to the taxpayer? http://www.vernon.ca/faqs-for-arena-referendum/

Using an example of $350,000 as the assessed value of a home in Greater Vernon, and based only on improvements to the property ($185,000), the cost per household to twin Kal Tire Place will be approximately $24 per year for the term of the loan, which is 20 years at an estimated rate of 3.5%

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Using the above published figure this would mean that the tax rate for each $1000 of Property Improvements (Your house not the land) would cost $24/185 = .13 per $1000.

In my case my 2015 assessment was for improvement value of $247,000.
My calculation would be .13x 247  = $32.11 per year for next 20 years.

This is for residential class only. All other classes would be charged a multiple of these rates.
The 2015 multiples for RDNO taxes are: (As shown in Table Below.) For instance the business tax rate would be 2.45 times the residential rate  i.e.  .13 x 2.45 = .32 per $1000 of assessed improvement value.)

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Using a 3.50% Conservative estimate  the amortization schedule for a $13.25 million borrowing would look like this:

Annual Debt Payment is $932,284